Symbol | Description |
| Birth and immigrant rate of humans |
| Birth rate of mosquitoes |
| Rate of loss of immunity |
| Transmission rate of infection from infected mosquitoes to susceptible human |
| Loss of immunity of protected class |
q | Fraction of infective immigrants |
| Progression rate of susceptible human to protected class |
| Treatment rate of human from infected state to treated class |
| Transmission rate of human from infected state to infectious none treated class |
g | Progression rate of human from exposed to infected compartments |
| Recovery rate of human from treated class |
| Natural death rate of human from exposed to infected |
| Progression rate of human from recovery class to protected class |
M | Progression rate of mosquitoes from larva to susceptible |
| Transmission rate of infection from infected human to susceptible mosquitoes |
| Natural death rate of mosquitoes |
| Progression rate of exposed mosquitoes to infected mosquitoes |
| Disease-induced death rate of human |